Dragon Ball Z: Extreme Butoden is an upcoming 2D fighter by Arc System Works featuring various characters from the series, and they’re also adding the powerful Super Saiyan 4 Vegeta as an assist if you have a save data from another Dragon Ball Z game. The official website shares a look.
The title in question is Dragon Ball Heroes: Ultimate Mission 2, a card-based fighting game, which is actually a Nintendo 3DS port of the arcade game, Dragon Ball Heroes.
By having a save file from Dragon Ball Heroes: Ultimate Mission 2 on their 3DS, players can unlock the Super Saiyan 4 Vegeta, who appears as an assist character. As for his assist move, he’ll bust out his ultimate “Final Shine Attack” to help your character out.
Dragon Ball Z: Extreme Butoden will release in Japan on June 11, 2015 for Nintendo 3DS. You can read about the game’s controls and battle commands in our earlier report.